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Todorov Svetoslav D.,Dicks Leon M.T. The Microbiological Society of Korea 2005 The journal of microbiology Vol.43 No.4
Bacteriocin ST311LD is approximately 2.3 kDa in size. Low levels of bacteriocin activity were recorded in BHI and M17 broth (800 AU/ml) and in $10\%$ (w/v) soy milk (3,200 AU/ml). No bacteriocin pro-duction was recorded in $10\%$ (w/v) molasses, despite good growth. Optimal levels (12,800 AU/ml) were detected in MRS broth which had been supplemented with tryptone (20.0 g/l), saccharose (5.0 or 10.0 g/l) or vitamin C (1 ppm). Increased potassium levels did not result in higher levels of activity, and glycerol (1.0 g/l) inhibited the production of bacteriocin ST311LD.
Data centre's energy efficiency optimization and greening-Case study methodology and R&D needs
Todorovic, M.S.,Kim, J.T. Elsevier Sequoia S.A 2014 Energy and buildings Vol.85 No.-
In this paper is presented methodological approach to the energy efficiency optimization of high density data centre, in a synergy with relevant performance analysis of corresponding case study. Related case study goal-to optimize energy efficiency to the level characterized by the power usage effectiveness nearly equal 1 (PUE~1), has been successfully realized, tracing an energy efficiency optimization road to a hyper energy efficient data centre of the superb IT and energy performance. In addition to the corresponding energy densities, and energy efficient removal of extremely high heat dissipation, to reach superb IT performance very special focus is to be devoted to finally controlling indoor air temperature and humidity conditions. It has been shown that, by an integrated approach to the optimization of building construction, data centre's intrinsic IT systems and equipment selection is to be done also with the reference to its specific energy efficiency and the most recent breakthroughs in IT infrastructure fields, as well as in data centre's high performance air-conditioning and infrastructure's high precision cooling. Finally, data centre greening, implementing renewable energy sources has been analysed.
Todorovic, M.S.,Kim, J.T. Elsevier Sequoia S.A 2014 Energy and buildings Vol.85 No.-
Obtained as a research result of conducted project, this paper presents an innovative, energy efficient multipurpose system for a sustainable globally cost-effective building's solar energy use and developed methodology for its dynamic analysis and optimization. The initial research and development goal was to create a cost-effective technical solution for replacing fossil fuel and electricity with solar energy for water heating for different purposes (for pools, sanitary water, washing) in one SPA. After successful realization of the initial goal, the study was proceeded and as a result, the created advanced system has been enriched with AC performance. The study success was based on understanding and combined measurements and by BPS made predictions of AC loads and solar radiation dynamics as well as on the determination of the synergetic relations between all relevant quantities. Further, by the performed BPS dynamic simulations for geographically spread buildings locations, it has been shown that the final result of the conducted scientific engineering R&D work has been the created system of confirmed prestigious to the sustainability relevant performance - globally cost-effective building integrated photovoltaic powered heat pump (HP), assisted by waste water heat recovery, for solar AC, water heating and saving.
Svetoslav D. Todorov,Leon M.T. Dicks 한국미생물학회 2005 The journal of microbiology Vol.43 No.4
Bacteriocin ST311LD is approximately 2.3 kDa in size. Low levels of bacteriocin activity were recorded in BHI and M17 broth (800 AU/ml) and in 10% (w/v) soy milk (3,200 AU/ml). No bacteriocin production was recorded in 10% (w/v) molasses, despite good growth. Optimal levels (12,800 AU/ml) were detected in MRS broth which had been supplemented with tryptone (20.0 g/l), saccharose (5.0 or 10.0 g/l) or vitamin C (1 ppm). Increased potassium levels did not result in higher levels of activity, and glycerol (1.0 g/l) inhibited the production of bacteriocin ST311LD.
Anti-Platelet Fraction from Galega officinalis L. Inhibits Platelet Aggregation
Bojidar Tchorbanov,Atanas Todorov Atanasov 한국식품영양과학회 2002 Journal of medicinal food Vol.5 No.4
A fraction from crude extract of Galega officinalis L. was purified by gel filtration on SephadexG-25, Sepharose 4B, and ion-exchange chromatography on diethylaminoethyl (DEAE) cellu-lose. The fraction with molecular weight 10 140 kDa apears to have a polysaccharide na-ture, including protein. The fraction inhibits platelet aggregation initiated by 25 mM adeno-sine 59-diphosphate (ADP), 10 mg/ml collagen, and 0.8 U/ml thrombin with the 50% inhibitingconcentration (IC 50) being 1.2 mg/ml for ADP, and the IC 10 being 15.1 mg/ml for collagenand IC10 19.6 mg/ml for thrombin.29